Title: A correction to 'efficient and secure comparison for on-line auctions'

Authors: Ivan Damgard, Martin Geisler, Mikkel Kroigard

Addresses: BRICS, Department of Computer Science, University of Aarhus, Denmark. ' BRICS, Department of Computer Science, University of Aarhus, Denmark. ' BRICS, Department of Computer Science, University of Aarhus, Denmark

Abstract: In this paper, we describe a correction to the cryptosystem proposed in Damgard et al. from Int. J. Applied Cryptography, Vol. 1, No. 1. Although, the correction is small and does not affect the performance of the protocols from Damgard et al., it is necessary, as the cryptosystem is not secure without it.

Keywords: protocols; public key cryptography; security; secure integer comparison; secure multiparty computation; MPC; homomorphic encryption; benchmark; online auctions; protocols; secret sharing.

DOI: 10.1504/IJACT.2009.028031

International Journal of Applied Cryptography, 2009 Vol.1 No.4, pp.323 - 324

Available online: 31 Aug 2009 *

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